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442468 = 221367127
BaseRepresentation
bin1101100000001100100
3211110221201
41230001210
5103124333
613252244
73521665
oct1540144
9743851
10442468
11282484
12194084
13126520
14b736c
158b17d
hex6c064

442468 has 24 divisors (see below), whose sum is σ = 852992. Its totient is φ = 199584.

The previous prime is 442457. The next prime is 442469. The reversal of 442468 is 864244.

It is a d-powerful number, because it can be written as 43 + 47 + 49 + 217 + 62 + 85 .

It is not an unprimeable number, because it can be changed into a prime (442469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3421 + ... + 3547.

2442468 is an apocalyptic number.

It is an amenable number.

442468 is a deficient number, since it is larger than the sum of its proper divisors (410524).

442468 is a wasteful number, since it uses less digits than its factorization.

442468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 209 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

The square root of 442468 is about 665.1826816747. The cubic root of 442468 is about 76.2009915298.

The spelling of 442468 in words is "four hundred forty-two thousand, four hundred sixty-eight".

Divisors: 1 2 4 13 26 52 67 127 134 254 268 508 871 1651 1742 3302 3484 6604 8509 17018 34036 110617 221234 442468